Troubleshooting Common Errors

The Management Pack for VMware Aria Operations for Applications generates different error messages depending on the problem encountered.

Error Message	Cause	Resolution
Host is not reachable or Unknown VMware Aria Operations for Applications URL. Make sure the hostname is correct, has a DNS entry, and is reachable from the Aria Operations Cloud Proxy.	Invalid or otherwise unreachable hostname provided	Verify the VMware Aria Operations for Applications URL. Verify that the Cloud Proxy host can reach the VMware Aria Operations for Applications URL. If not, you may need to open a firewall or reconfigure DNS settings.
Connection to VMware Aria Operations for Applications URL does not have expected endpoint(s). Make sure the host is VMware Aria Operations for Applications. or Connection to VMware Aria Operations for Applications URL could not be established on port 443. Make sure the host is VMware Aria Operations for Applications.	The URL is valid but it is not serving the VMware Aria Operations for Applications API on port 443.	Verify the URL specified is an instance of VMware Aria Operations for Applications. Verify that the API is running. You can run verify the VMware Aria Operations for Applications API is running by making test calls at https://[fqdn]/api-docs/ui.
VMware Aria Operations for Applications authorization token is invalid.	The token provided is invalid	Verify the token. Verify that the token comes from the VMware Aria Operations for Applications instance specified. Verify that you were able to copy and paste the full token without any special characters added. It may help to manually type each character in the token instead of copying and pasting.
VMware Aria Operations for Applications authorization token has insufficient permissions. Make sure the token has the the 'Metric' and 'External Links' permissions.	The token provided is valid but has insufficient permissions.	Generate and use a token for a user that has Metric and External Links permissions.
Connection to VMware Aria Operations for Applications URL timed out. Make sure the host exists and is reachable from the Aria Operations Cloud Proxy. If the URL is valid, the API may be taking too long to respond.	The test API call timed out	If the API call is timing out, the VMware Aria Operations for Applications system may be overloaded. Wait 5 minutes and try again. If it's still not working, you may need to reduce load on the VMware Aria Operations for Applications system.
No timeseries found for '{custom_metric_prefix}'. Verify PROMQL query '{custom_metric_prefix}.deployment.ready_replicas' returns data in VMware Aria Operations for Applications	The test query did not return any data.	Verify that you have at least one Kubernetes Integration configured to send data to VMware Aria Operations for Applications. See Validating the Kubernetes Integration.
INTERNAL SERVER ERROR	Multiple potential causes	Something unexpected went wrong with the adapter. One potential cause is performance/scale limitations. Try increasing the Adapter Memory Limit, increasing the Request Timeout, reducing the Pod Retention Time, setting Enable Pods to False, and/or setting Enable External Links to False. If these changes don't help, look at the adapter.log and server.log files for a root cause.